132521025 has 48 divisors (see below), whose sum is σ = 269677184. Its totient is φ = 55918080.

The previous prime is 132521023. The next prime is 132521149. The reversal of 132521025 is 520125231.

It is not a de Polignac number, because 132521025 - 2¹ = 132521023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 132520992 and 132521010.

It is not an unprimeable number, because it can be changed into a prime (132521023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2884 + ... + 16533.

Almost surely, 2^132521025 is an apocalyptic number.

132521025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

132521025 is an abundant number, since it is smaller than the sum of its proper divisors (137156159).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132521025 is a wasteful number, since it uses less digits than its factorization.

132521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19450 (or 19445 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 132521025 is about 11511.7776646355. Note that the first 3 decimals coincide. The cubic root of 132521025 is about 509.8333750172.

Adding to 132521025 its reverse (520125231), we get a palindrome (652646256).

The spelling of 132521025 in words is "one hundred thirty-two million, five hundred twenty-one thousand, twenty-five".